<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <!-- 2.准备容器 -->
    <div id="app">
        Vue的模板
        <p v-if="gender === 1">男🚹</p>
        <p v-else>女🚺</p>
    </div>


    <!-- 1。导入vue.js -->
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>

    <script>
        <!-- 3. 创建Vue实例对象 -->
        const app = new Vue({
            // < !--容器 -->
            el: '#app',
            data: {
                gender: 1
            }
        })
    </script>

</body>

</html>